Patents Assigned to 4DS Memory, Limited
  • Patent number: 11600775
    Abstract: An electronic device is disclosed. The electronic device includes a conductor, and a conductive oxide material electrically connected to the conductor. The conductive oxide materials is substantially amorphous, and the conductive oxide material includes first and second oxide materials. In addition, the first oxide material is different from the second oxide material. The electronic device also includes a second material, electrically connected to the conductive oxide material.
    Type: Grant
    Filed: September 22, 2021
    Date of Patent: March 7, 2023
    Assignee: 4DS MEMORY, LIMITED
    Inventor: Seshubabu Desu
  • Patent number: 11508905
    Abstract: A memory device is disclosed. The memory device includes a bottom contact, and a memory layer connected to the bottom contact, where the memory layer has a variable resistance. The memory device also includes a top electrode on the memory layer, where the top electrode and the memory layer cooperatively form a heterojunction memory structure. The memory device also includes a top contact on the top electrode, and a first barrier layer, including a first oxide material and a second oxide material, where the first oxide material is different from the second oxide material, and where the first barrier layer is between one of A) the memory layer and the bottom contact, and B) the top electrode and the top contact, where the first barrier layer is configured to substantially prevent the conduction of ions or vacancies therethrough.
    Type: Grant
    Filed: March 8, 2021
    Date of Patent: November 22, 2022
    Assignee: 4DS MEMORY, LIMITED
    Inventor: Seshubabu Desu
  • Publication number: 20220013721
    Abstract: An electronic device is disclosed. The electronic device includes a conductor, and a conductive oxide material electrically connected to the conductor. The conductive oxide materials is substantially amorphous, and the conductive oxide material includes first and second oxide materials. In addition, the first oxide material is different from the second oxide material. The electronic device also includes a second material, electrically connected to the conductive oxide material.
    Type: Application
    Filed: September 22, 2021
    Publication date: January 13, 2022
    Applicant: 4DS MEMORY, LIMITED
    Inventor: Seshubabu Desu
  • Patent number: 11133464
    Abstract: An electronic device is disclosed. The electronic device includes a conductor, and a conductive oxide material electrically connected to the conductor. The conductive oxide materials is substantially amorphous, and the conductive oxide material includes first and second oxide materials. In addition, the first oxide material is different from the second oxide material. The electronic device also includes a second material, electrically connected to the conductive oxide material.
    Type: Grant
    Filed: August 20, 2019
    Date of Patent: September 28, 2021
    Assignee: 4DS MEMORY, LIMITED
    Inventor: Seshubabu Desu
  • Publication number: 20210193919
    Abstract: A memory device is disclosed. The memory device includes a bottom contact, and a memory layer connected to the bottom contact, where the memory layer has a variable resistance. The memory device also includes a top electrode on the memory layer, where the top electrode and the memory layer cooperatively form a heterojunction memory structure. The memory device also includes a top contact on the top electrode, and a first barrier layer, including a first oxide material and a second oxide material, where the first oxide material is different from the second oxide material, and where the first barrier layer is between one of A) the memory layer and the bottom contact, and B) the top electrode and the top contact, where the first barrier layer is configured to substantially prevent the conduction of ions or vacancies therethrough.
    Type: Application
    Filed: March 8, 2021
    Publication date: June 24, 2021
    Applicant: 4DS MEMORY, LIMITED
    Inventor: Seshubabu Desu
  • Patent number: 11043633
    Abstract: An electronic storage memory device is disclosed. The memory device includes a first conductive layer, and also includes a memory layer connected to the first conductive layer, where the memory layer has a variable resistance, and where no amorphous layer exists between the first conductive layer and the memory layer.
    Type: Grant
    Filed: October 19, 2020
    Date of Patent: June 22, 2021
    Assignee: 4DS MEMORY, LIMITED
    Inventor: Seshubabu Desu
  • Patent number: 10950788
    Abstract: A memory device is disclosed. The memory device includes a bottom contact, and a memory layer connected to the bottom contact, where the memory layer has a variable resistance. The memory device also includes a top electrode on the memory layer, where the top electrode and the memory layer cooperatively form a heterojunction memory structure. The memory device also includes a top contact on the top electrode, and a first barrier layer, including a first oxide material and a second oxide material, where the first oxide material is different from the second oxide material, and where the first barrier layer is between one of A) the memory layer and the bottom contact, and B) the top electrode and the top contact, where the first barrier layer is configured to substantially prevent the conduction of ions or vacancies therethrough.
    Type: Grant
    Filed: August 20, 2019
    Date of Patent: March 16, 2021
    Assignee: 4DS MEMORY, LIMITED
    Inventor: Seshubabu Desu
  • Publication number: 20210057646
    Abstract: An electronic device is disclosed. The electronic device includes a conductor, and a conductive oxide material electrically connected to the conductor. The conductive oxide materials is substantially amorphous, and the conductive oxide material includes first and second oxide materials. In addition, the first oxide material is different from the second oxide material. The electronic device also includes a second material, electrically connected to the conductive oxide material.
    Type: Application
    Filed: August 20, 2019
    Publication date: February 25, 2021
    Applicant: 4DS MEMORY, LIMITED
    Inventor: Seshubabu Desu
  • Publication number: 20210057644
    Abstract: A memory device is disclosed. The memory device includes a bottom contact, and a memory layer connected to the bottom contact, where the memory layer has a variable resistance. The memory device also includes a top electrode on the memory layer, where the top electrode and the memory layer cooperatively form a heterojunction memory structure. The memory device also includes a top contact on the top electrode, and a first barrier layer, including a first oxide material and a second oxide material, where the first oxide material is different from the second oxide material, and where the first barrier layer is between one of A) the memory layer and the bottom contact, and B) the top electrode and the top contact, where the first barrier layer is configured to substantially prevent the conduction of ions or vacancies therethrough.
    Type: Application
    Filed: August 20, 2019
    Publication date: February 25, 2021
    Applicant: 4DS MEMORY, LIMITED
    Inventor: Seshubabu Desu
  • Publication number: 20210036220
    Abstract: A memory device including a template layer is disclosed. The memory device also includes a memory layer connected to the template layer, where the memory layer has a variable resistance, and where the crystalline structure of the memory layer matches the crystalline structure of the template layer. The memory device also includes a conductive top electrode on the memory layer, where the top electrode and the memory layer cooperatively form a heterojunction memory structure.
    Type: Application
    Filed: October 19, 2020
    Publication date: February 4, 2021
    Applicant: 4DS Memory, Limited
    Inventor: Seshubabu Desu
  • Patent number: 10862028
    Abstract: A memory device including a template layer is disclosed. The memory device also includes a memory layer connected to the template layer, where the memory layer has a variable resistance, and where the crystalline structure of the memory layer matches the crystalline structure of the template layer. The memory device also includes a conductive top electrode on the memory layer, where the top electrode and the memory layer cooperatively form a heterojunction memory structure.
    Type: Grant
    Filed: April 29, 2019
    Date of Patent: December 8, 2020
    Assignee: 4DS MEMORY, LIMITED
    Inventor: Seshubabu Desu
  • Patent number: 10847717
    Abstract: A memory device including a template layer is disclosed. The memory device also includes a memory layer connected to the template layer, where the memory layer has a variable resistance, and where the crystalline structure of the memory layer matches the crystalline structure of the template layer. The memory device also includes a conductive top electrode on the memory layer, where the top electrode and the memory layer cooperatively form a heterojunction memory structure.
    Type: Grant
    Filed: April 29, 2019
    Date of Patent: November 24, 2020
    Assignee: 4DS MEMORY, LIMITED
    Inventor: Seshubabu Desu
  • Patent number: 10734578
    Abstract: A memory device is disclosed. The memory device includes a bottom contact, and a memory layer connected to the bottom contact, where the memory layer has a variable resistance. The memory device also includes a conductive top electrode on the memory layer, where the top electrode and the memory layer cooperatively form a heterojunction memory structure. The memory device also includes a lateral barrier layer connected to the bottom contact, the memory layer, and the conductive top electrode, where the lateral barrier layer is configured to substantially prevent conduction of ions or vacancies from the bottom contact, the memory layer, and the conductive top electrode to the lateral barrier layer.
    Type: Grant
    Filed: June 25, 2019
    Date of Patent: August 4, 2020
    Assignee: 4DS MEMORY, LIMITED
    Inventors: Seshubabu Desu, Michael Van Buskirk
  • Patent number: 10734577
    Abstract: A memory device including a template layer is disclosed. The memory device also includes a memory layer connected to the template layer, where the memory layer has a variable resistance, and where the crystalline structure of the memory layer matches the crystalline structure of the template layer. The memory device also includes a conductive top electrode on the memory layer, where the top electrode and the memory layer cooperatively form a heterojunction memory structure.
    Type: Grant
    Filed: April 29, 2019
    Date of Patent: August 4, 2020
    Assignee: 4DS MEMORY, LIMITED
    Inventor: Seshubabu Desu
  • Patent number: 10622559
    Abstract: A memory device including a template layer is disclosed. The memory device also includes a memory layer connected to the template layer, where the memory layer has a variable resistance, and where the crystalline structure of the memory layer matches the crystalline structure of the template layer. The memory device also includes a conductive top electrode on the memory layer, where the top electrode and the memory layer cooperatively form a heterojunction memory structure.
    Type: Grant
    Filed: April 29, 2019
    Date of Patent: April 14, 2020
    Assignee: 4DS MEMORY, LIMITED
    Inventor: Seshubabu Desu
  • Publication number: 20190326512
    Abstract: A memory device including a template layer is disclosed. The memory device also includes a memory layer connected to the template layer, where the memory layer has a variable resistance, and where the crystalline structure of the memory layer matches the crystalline structure of the template layer. The memory device also includes a conductive top electrode on the memory layer, where the top electrode and the memory layer cooperatively form a heterojunction memory structure.
    Type: Application
    Filed: April 29, 2019
    Publication date: October 24, 2019
    Applicant: 4DS Memory, Limited
    Inventor: Seshubabu Desu
  • Publication number: 20190319185
    Abstract: A memory device is disclosed. The memory device includes a bottom contact and a memory layer connected to the bottom contact, where the memory layer has a variable resistance. The device also includes a conductive top electrode on the memory layer, where the top electrode and the memory layer cooperatively form a heterojunction memory structure. The device also includes a retention layer between the memory layer and the top electrode, where the retention layer has an ionic conductivity which varies non-linearly with voltage.
    Type: Application
    Filed: June 25, 2019
    Publication date: October 17, 2019
    Applicant: 4DS MEMORY, LIMITED
    Inventors: Seshubabu Desu, Michael Van Buskirk
  • Publication number: 20190319186
    Abstract: A memory device is disclosed. The memory device includes a bottom contact, and a memory layer connected to the bottom contact, where the memory layer has a variable resistance. The memory device also includes a conductive top electrode on the memory layer, where the top electrode and the memory layer cooperatively form a heterojunction memory structure. The memory device also includes a lateral barrier layer connected to the bottom contact, the memory layer, and the conductive top electrode, where the lateral barrier layer is configured to substantially prevent conduction of ions or vacancies from the bottom contact, the memory layer, and the conductive top electrode to the lateral barrier layer.
    Type: Application
    Filed: June 25, 2019
    Publication date: October 17, 2019
    Applicant: 4DS MEMORY, LIMITED
    Inventors: Seshubabu Desu, Michael Van Buskirk
  • Publication number: 20190288199
    Abstract: A memory device including a template layer is disclosed. The memory device also includes a memory layer connected to the template layer, where the memory layer has a variable resistance, and where the crystalline structure of the memory layer matches the crystalline structure of the template layer. The memory device also includes a conductive top electrode on the memory layer, where the top electrode and the memory layer cooperatively form a heterojunction memory structure.
    Type: Application
    Filed: April 29, 2019
    Publication date: September 19, 2019
    Applicant: 4DS Memory, Limited
    Inventor: Seshubabu Desu
  • Publication number: 20190288200
    Abstract: A memory device including a template layer is disclosed. The memory device also includes a memory layer connected to the template layer, where the memory layer has a variable resistance, and where the crystalline structure of the memory layer matches the crystalline structure of the template layer. The memory device also includes a conductive top electrode on the memory layer, where the top electrode and the memory layer cooperatively form a heterojunction memory structure.
    Type: Application
    Filed: April 29, 2019
    Publication date: September 19, 2019
    Applicant: 4DS Memory, Limited
    Inventor: Seshubabu Desu